Includes travel files, itineraries, correspondence, materials pertaining to the International Association of Gerontology and the American Geriatrics Society, meeting materials, research, reprints, notes, printed materials, photographs, Department of Psychiatry history, certificates, licenses, plaques, biographical materials on Busse, and a photo album documenting the XIIth International Congress of Gerontology. The travel files documenting Busse's international travel includes trip information on his trips to the USSR (1971) and China (1979). Materials date from 1987 to 2003.